Unaudited Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Statement of Financial Position [Abstract]
Accounts receivable, non-trade	$ 10,688	$ 7,883
Accounts receivable, related party balance	$ 2,444	$ 57,062
Common stock, par value (in usd per share)	$ 0.001	$ 0.001
Common stock, share authorized (in shares)	725,000,000	725,000,000
Common stock, share outstanding (in shares)	100,784,683	100,435,210
Common stock, share issued (in shares)	100,784,683	100,435,210

Amount of receivables arising from transactions with related parties due within one year or the normal operating cycle, if longer.

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Face amount or stated value per share of common stock.

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